Horn Size: 13.2 mm

Headset Size: 40X18X16 mm

Charging Bin Size: 61X46X25 mm

Bluetooth Version: 5.0+EDR

Bluetooth Support: Phone Hands-Free

Frequency Response Range: 20Hz-20kHz

Bluetooth Support Protocols: AVRCP/A2DP/HSP/SPP

Transmission Frequency: 2.4GHz-2.48GHz

Bluetooth Reception Effective Distance: 10m

Battery Capacity: 30mAh

Microphone Included: Omnidirectional

Bluetooth Working Time: 4-5h Continuous Playback

Bluetooth Standby Time: Up to 100H

Input Voltage/Current: Equipped with a Special Charging Bin for Headphones, Charges up to 4-5 Times.